1School of Environment and Natural Resources (SENR), Doon University, Dehradun - 248001, Uttarakhand, India
2High Altitude Plant Physiology Research Centre, H.N.B. Garhwal University (A Central University), Srinagar, Garhwal - 246174, Uttarakhand, India
3Veer Chandra Singh Garhwali (VCSG) College of Horticulture, Uttarakhand University of Horticulture & Forestry, Bharsar - 246123, Pauri, Uttarakhand, India
*Corresponding author: H.C. Andola. E-mail: andolah@rediffmail.com
Online published on 6 October, 2014.